Home / 1,396,530-2,094,916.50-385,653.24

Finding the Fourth Proportional to 1,396,530, 2,094,916.50 and 385,653.24

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Solution

The fourth proportional to 1,396,530, 2,094,916.50 and 385,653.24 is: 578,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,530 : 2,094,916.50 = 385,653.24 : x
  2. Step 2: Convert to fraction form
    1,396,530/2,094,916.50 = 385,653.24/x
  3. Step 3: Cross multiply
    1,396,530x = 2,094,916.50 × 385,653.24
  4. Step 4: Simplify right side
    1,396,530x = 807,911,335,754.46
  5. Step 5: Solve for x
    x = 807,911,335,754.46/1,396,530
  6. Step 6: Final answer
    x = 578,513.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.